buffer-overflow.html | Explore in Territory

<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/intervention.js"></script>

<div id="target" style="padding: 10px; background-color: blue;">
  <p>Testing ReportingObserver's buffer size.</p>
</div>

<script>
async_test(function(test) {
  var observer3 = new ReportingObserver(function(reports, observer) {
    test.step(function() {
      // All 101 buffered reports should be received.
      assert_equals(reports.length, 101);
    });

    test.done();
  }, { buffered: true });

  // Generate 110 intervention reports and 1 deprecation report. Only 100
  // reports should be buffered per report type, so 101 total.
  for (var i = 0; i != 110; ++i) {
    causeIntervention();
  }
  webkitRequestAnimationFrame(() => {});

  observer3.observe();
  observer3.disconnect();
}, "Buffer overflow");
</script>

chromium/third_party/blink/web_tests/wpt_internal/reporting/buffer-overflow.html